| Castricum to Worthington (Ohio) | 4,006.69 mi (6,448.14 km) |
| Castricum to Wright (Florida) | 4,631.14 mi (7,453.10 km) |
| Castricum to Wyandanch (New York) | 3,602.44 mi (5,797.57 km) |
| Castricum to Wyandotte (Michigan) | 3,910.61 mi (6,293.51 km) |
| Castricum to Wylie (Texas) | 4,870.53 mi (7,838.36 km) |
| Castricum to Wyndham (Virginia) | 3,912.76 mi (6,296.97 km) |
| Castricum to Wyoming (Michigan) | 3,972.31 mi (6,392.82 km) |
| Castricum to Wyomissing (Pennsylvania) | 3,724.00 mi (5,993.19 km) |
| Castricum to Xenia (Ohio) | 4,061.45 mi (6,536.28 km) |
| Castricum to Yakima (Washington) | 4,862.79 mi (7,825.90 km) |
| Castricum to Yankton (South Dakota) | 4,382.84 mi (7,053.49 km) |
| Castricum to Yauco (Puerto Rico) | 4,463.27 mi (7,182.94 km) |
| Castricum to Yazoo City (Mississippi) | 4,651.30 mi (7,485.54 km) |
| Castricum to Yeadon (Pennsylvania) | 3,714.33 mi (5,977.64 km) |
| Castricum to Yelm (Washington) | 4,893.37 mi (7,875.11 km) |
